sergeant lopez also killed corporal jacob woolly in mississippi. nbc news has learned the three were involved in a long triangle. all worked at the officer candidate school. >>> the mayhem continues this morning for the suspect wanted for stabbing a woman to death in broad daylight in san jose. investigators say 25-year-old juan ramirez killed a san jose mother on friday. allegedly the crime happened in the parking lot of the woman's apartment complex right across the street from the sheriff's department. ramirez had allegedly been stalking 29-year-old sandra cruz gonzalez for two years and she has an active restraining order against him. >> she was doing all of the right things. she was contacting the police department. she was reporting these criming. she was pulling out restraining orders trying to protect herself from this individual. it's very unfortunate this happened. because it appeared that she was doing everything she could do to avoid it. >> investigators say ramirez may be headed to mexico, possibly driving a dark green 1996 pickup truc